Louisville has a humid subtropical climate
with four distinct seasons and is located in USDA Plant Hardiness Zone 7.
Spring-like conditions typically begin in mid-to-late March, summer from
mid-to-late-May to late September, with fall in the October–November period.
Seasonal extremes in both temperature and precipitation are not uncommon during
early spring and late fall; severe weather is not uncommon, with occasional
tornado outbreaks in the region. Winter typically brings a mix of rain, sleet, and
snow, with occasional heavy snowfall and icing. Louisville averages 4.5 days
with low
